The one abt respiration the answer is the first one and circulatory system is the last one that says “delivery molecules …”
Answer:
reproduction
Explanation:
reproduction, process by which organisms replicate themselves
Answer:If we have [H+][OH-]= Kw = 1.0 x 10^-14
Then [H+]= Kw/ [OH-]= 1.0x 10^-14/ 1 x 10^-11 =1 x 10^-3 mol/L
And here is the solution - as you can see it is an acidic one :
pH = - log [H+]= - log 1 x 10^-3 = 3 < 7
Explanation:
A. Industrial pollution, the rest are considered positive
Answer:
B. chemical
Explanation:
Chemical change cannot go back to its original form
